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. Author manuscript; available in PMC: 2022 Mar 1.
Published in final edited form as: Gastroenterol Clin North Am. 2021 Jan 5;50(1):127–139. doi: 10.1016/j.gtc.2020.10.005

Table 3.

Common SNPs, Epigenetically Modified Genes, SNPs-diet Interactions and Metabolic Pathways Associated with Obesity and Obesity Traits.

SNPs 12
Gene Phenotype
FTO BMI, waist circumference, fat percentage, extreme obesity
MC4R BMI, waist circumference, extreme obesity
MC3R, SLC6A14 Obesity
BDNF, TMEM18 BMI, extreme obesity
POMC, NEGR1, PCSK1, GNPDA2, MAP2K5, SEC16B BMI
Epigenetically modified genes 26
Gene Phenotype
POMC, NPY, SLC6A4, MCHR1 Overall obesity
FTO, LPL, IRS 1, TMEM18 Fat distribution
PPARG Percentage body fat
LEP Overall obesity, fat distribution, BMI
SNPs-diet interactions 63
Gene Diet Interaction Putative disease risk
FTO High Fat and High carbohydrate Obesity
LCT Dairy products
PPARG, G1PR High fat
TXN Low vitamin E Abdominal obesity
MC4R Western dietary pattern and high saturated fatty acids Metabolic syndrome
APOB High fat
TCF7L2 High saturated fatty acids
APOC3, APOA1 Western dietary pattern
Deregulated metabolic signatures 64
Metabolic pathway Phenotype
Branched-chain amino-acid metabolism Obesity and insulin resistance
Androgen synthesis Childhood obesity

Data from Refs 12, 26, 63, 64